ERFA Industries Group
| Packaging Details | each piece with polly then 18pcs in a woodenbox with pallet |
| Delivery Time | 10 days after payment |
| Payment Terms | T/T |
| Supply Ability | 10000pcs per month |
| Rated Current | 2000A 1250A 1600A |
| Rated Duration Of Short-circuit | 4S |
| Rated Peak Withstand Current | 63KA |
| Storage Life | 20years |
| Contacts Limit Erosion | 3MM |
| Mechanical endurance | 10000times |
| Place of Origin | China (Mainland) |
| Brand Name | ERFA |
| Certification | ISO9000 |
| Model Number | ERFA-V20 |
View Detail Information
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Product Specification
| Packaging Details | each piece with polly then 18pcs in a woodenbox with pallet | Delivery Time | 10 days after payment |
| Payment Terms | T/T | Supply Ability | 10000pcs per month |
| Rated Current | 2000A 1250A 1600A | Rated Duration Of Short-circuit | 4S |
| Rated Peak Withstand Current | 63KA | Storage Life | 20years |
| Contacts Limit Erosion | 3MM | Mechanical endurance | 10000times |
| Place of Origin | China (Mainland) | Brand Name | ERFA |
| Certification | ISO9000 | Model Number | ERFA-V20 |
| High Light | vacuum fault interrupter ，interrupter in circuit breaker | ||
Specification
| 1 | Rated Current | A | 2000 | 1250 | 1600 | 1250 | 1250 |
| 2 | Circuit resistance at lowest rated contact force | u Ω | ≤17 | ≤25 | ≤20 | ≤25 | ≤25 |
| 3 | Rated short-circuit breaking current | KA | 25 | 12.5 | 25 | 25 | 20 |
| 4 | Breaking operations of rated short circuit breaking current | Times | 30 | ||||
| 5 | Rated short-time withstand current | KA | 25 | 12.5 | 25 | 25 | 20 |
| 6 | Rated duration of short-circuit | S | 4 | ||||
| 7 | Rated peak withstand current | KA | 63 | 31.5 | 63 | 63 | 50 |
| 8 | Rated short -circuit making current | KA | 63 | 63.5 | 63 | 63 | 50 |
| 9 | Rated breaking current of single capacitor bank | A | 630 | ||||
| 10 | Rated breaking current of back -to-back capacitor bank | A | 400 | ||||
| 11 | Rated operating sequence | O-0.3-CO-180S-CO | |||||
Mechanical data
| 1 | Weight of movable parts | Kg | 1.7 |
| 2 | Closing force due to bellow and atmosphere | N | 90±40 |
| 3 | Force required to hold contacts open at full stroke | N | 180±50 |
Mechanical requirements
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Life
| 1 | Storage life | Years | 20 |
| 2 | Mechanical endurance | Times | 10000 |
| 3 | Contacts limit erosion | Mm | 3 |
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2006
Total Annual:
50 Millions-100 Millions
Employee Number:
150~200
Ecer Certification：
Active Member
Xi'an ERFA Switchgear Co.,Ltd is under ERFA Industries group, was established in 2006, It is located in moden enterprise central, and has a registered captial of RMB60 millions and specializes in developing, manufacturing and selling high voltage and low voltage electrical products. Our compa... Xi'an ERFA Switchgear Co.,Ltd is under ERFA Industries group, was established in 2006, It is located in moden enterprise central, and has a registered captial of RMB60 millions and specializes in developing, manufacturing and selling high voltage and low voltage electrical products. Our compa...
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